Home / 18,536.40-25,580.26-10,581.20

Finding the Fourth Proportional to 18,536.40, 25,580.26 and 10,581.20

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Solution

The fourth proportional to 18,536.40, 25,580.26 and 10,581.20 is: 14,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.40 : 25,580.26 = 10,581.20 : x
  2. Step 2: Convert to fraction form
    18,536.40/25,580.26 = 10,581.20/x
  3. Step 3: Cross multiply
    18,536.40x = 25,580.26 × 10,581.20
  4. Step 4: Simplify right side
    18,536.40x = 270,669,847.11
  5. Step 5: Solve for x
    x = 270,669,847.11/18,536.40
  6. Step 6: Final answer
    x = 14,602.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.